{\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi} \begin{tabular}         {@{\extracolsep{4pt}}p{4cm}*{10}{>{\centering\arraybackslash}m{2.7cm}}@{}}          \toprule          \multicolumn{5}{l}{\textbf{PANEL A: Main rounds---Productivity and Attentiveness}}  \bigstrut       \\ \\         & Attentiveness index & High attentiveness & Number of leaves & Number of stitches & Number of double holes  \\            
                    &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         &\multicolumn{1}{c}{(4)}         &\multicolumn{1}{c}{(5)}         \\
\midrule
Hourly production   &       0.390\sym{***}&       0.186\sym{***}&      -0.847\sym{***}&      -5.743\sym{***}&      -0.645\sym{***}\\
                    &     (0.063)         &     (0.034)         &     (0.167)         &     (1.530)         &     (0.144)         \\
\midrule
N: workers          &         380         &         380         &         369         &         288         &         369         \\
\bottomrule
\end{tabular}
}
